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Astronomy Picture Of the Day (APOD)

22.06.1995
In 1972 Astronauts on the United States's last lunar mission, Apollo 17, took this picture looking back at the Earth on their way to the moon. The continents of Antarctica and Africa are visible below the delicate wisps of white clouds. For more information see NASA NSSDC press release.

21.06.1995
In 1987 a star in one of the Milky Way's satellite galaxies exploded. In 1994 the Hubble Space Telescope, in orbit around the earth, took a very detailed picture of the remnants of this explosion. This picture, above, showed unusual and unexpected rings, and astronomers are not sure how they formed.

20.06.1995
The Pleiades star cluster, M45, is one of the brightest star clusters visible in the northern hemisphere. It consists of many bright, hot stars that were all formed at the same time within a large cloud of interstellar dust and gas.

16.06.1995
If the Earth could somehow be transformed to the ultra-high density of a neutron star , it might appear as it does in the above computer generated figure. Due to the very strong gravitational field, the neutron star distorts light from the background sky greatly. If you look closely, two
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